Home / 8,101.38-12,148.64-2,553.24

Finding the Fourth Proportional to 8,101.38, 12,148.64 and 2,553.24

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Solution

The fourth proportional to 8,101.38, 12,148.64 and 2,553.24 is: 3,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.38 : 12,148.64 = 2,553.24 : x
  2. Step 2: Convert to fraction form
    8,101.38/12,148.64 = 2,553.24/x
  3. Step 3: Cross multiply
    8,101.38x = 12,148.64 × 2,553.24
  4. Step 4: Simplify right side
    8,101.38x = 31,018,393.59
  5. Step 5: Solve for x
    x = 31,018,393.59/8,101.38
  6. Step 6: Final answer
    x = 3,828.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.